@charset "UTF-8";

body {
    margin: 0px;
}

.contaner div {
    position: absolute;
    border: solid 1px;
}

.contaner .top {
    height: 60px;
    top: 0px;
    left: 0px;
    right: 0px;
    text-align: center;
}

.contaner .left {
    width: 100px;
    left: 0px;
    top: 60px;
    bottom: 0px;
}

.contaner .main {
    top: 60px;
    bottom: 0px;
    left: 100px;
    right: 0px;
}

.float-right {
    float: right;
}

.clazz_table {
    border: solid 1px;
    width: 100%;
    border-collapse: collapse;
}

th, td {
    border: 1px solid;
}

.add_form {
    margin-top: 45px;
    margin-left: 120px;
}

.update_form {
    margin-top: 45px;
    margin-left: 120px;
}

.form_login {
    margin-right: auto;
    margin-left: auto;
    width: 300px;
    margin-top: 150px;
}

.login_info {
    color: red;
}

.user_info {
    position: absolute;
    top: 40px;
    right: 5px;
}